[PATCH v4 0/4] kexec-tools: efi runtime support on kexec kernel

[Toshi Kani]

On Fri, 2013-12-20 at 18:05 +0800, Dave Young wrote:
> This patchset is for adding efi runtime support on kexec kernel
> kernel patches see below thread:
> http://thread.gmane.org/gmane.linux.kernel.efi/2491
> 
> in kexec-tools, this patchset will do below:
> 1. retrieve efi_info from debugfs boot_params, and fill the
> x86 setup header
> 
> 2. collect data efi runtime needed:
> /sys/firmware/efi/systab: fw_vendor, runtime, config_tables and smbios
> /sys/firmware/efi/efi-runtime-map/*, the phys-virt mappings in 1st kernel
> 
> 3. assemble setup_data based on data get in 2) then pass it to 2nd kernel
> 
> changelog v3->v4:
> update efi_info memmap to the saved runtime map instead of use 1st kernel
> untouched memmap.
> 
> Tested on OVMF, dell laptop, lenovo laptop and HP workstation
> 
> Dave Young (4):
>   build fix: include x86-linux.h in x86-linux-setup.h
>   Add function get_bootparam
>   Add efi_info in x86 setup header
>   Passing efi related data via setup_data
> 
>  include/x86/x86-linux.h             |   3 +-
>  kexec/arch/i386/crashdump-x86.c     |   4 +-
>  kexec/arch/i386/x86-linux-setup.c   | 246 ++++++++++++++++++++++++++++++++++--
>  kexec/arch/i386/x86-linux-setup.h   |   2 +
>  kexec/arch/x86_64/kexec-bzImage64.c |   6 +
>  5 files changed, 248 insertions(+), 13 deletions(-)
> 

Tested on an HP 60-way UEFI platform.  For the series:

Tested-by: Toshi Kani <toshi.kani at hp.com>

Thanks,
-Toshi